文献类型：期刊文献

英文题名：Development of a borondipyrromethene-based Zn2+ fluorescent probe: Solvent effects on modulation sensing ability

作者：Zhao, Chunchang[1]; Zhang, Yulin[1]; Feng, Peng[1]; Cao, Jian[1]

机构：[1] Key Laboratory for Advanced Materials, Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, China

年份：2012

卷号：41

期号：3

起止页码：831

外文期刊名：Dalton Transactions

收录：EI(收录号：20120114655496)

语种：英文

外文关键词：Solutions - Solvents - Probes

摘要：A borondipyrromethene-based Zn2+ fluorescent probe BODPAQ was designed and synthesized. The chelators in BODPAQ, 2,2′-dipicolylamine (DPA) and 8-aminoquinoline (AQ), coordinate to Zn2+ in a synergic manner. As a result, BODPAQ displays high Zn2+ selectivity with a dramatic enhanced emission accompanied by a notable hypsochromic shift due to the binary inhibition effect of PET and ICT mechanisms, enabling the detection of Zn2+ by both ratiometric and normal turn-on fluorescence methods in acetonitrile. Interestingly, the sensitivity of BODPAQ towards Zn 2+ changes upon varying the compositions of buffer solutions. In 3-morpholinopropanesulfonic acid (MOPS) buffer aqueous solution (50% CH 3CN), BODPAQ displays the highest sensitivity for Zn2+, while in citrate-phosphate buffer, BODPAQ shows no response to Zn2+.